 The two largest ethnic groups reported in Sherka were the Oromo (71.83%), and the Amhara (26.83%); all other ethnic groups made up 1.34% of the population.Oromiffa was spoken as a first language by 65.98%, and 33.91% spoke Amharic; the remaining 0.11% spoke all other primary languages reported.The majority of the inhabitants professed Ethiopian Orthodox Christianity, with 50.53% of the population having reported they practiced that belief, while 49.22% of the population said they were Muslim.